first of all what does this study show us? >> it comes out of finland and they took 70 men and women who are married and look at photographs of their spouse and parents and found men were significantly more likely to marry a woman who looks like their mother than women were to marry a man who looks like their father. >> the oedipal complex is real. >> nobody has been able to prove that. it's not something that really works. but that was freud's idea. he thought women fell in love with their mother there was a headline homosexual craving but that's never been proved. men are more visual so it's natural for men to apply visual to things they are looking for in a wife. if we look carefully women find all kinds of things in their father not attractive. not visual things. women want a man who is you had humorous, can keep a job. if father was like that yes. >> a sheep and a goat study, shed some light on this. >> good friend of mine. a entrepreneurneuroscientist. they had baby goats raised by the sheep. the baby goats when grew up